载鑫过滤供应0030D003BNHC 贺德克滤芯

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贺德克滤芯
一、液压油污染的种类和危害：按污染物的类型，油液污染大致可分为以下几种：同体颗粒污染、水污染空气污染以及混合油质的污染等。
    1．固体颗粒污染
    固体颗粒包括粉尘、焊渣、锈片以及合属粉末等。它们混入液压油中并随油的流动而遍布整个液压系统．当经过阀体时，这些污物会填入滑阎的滑动间隙，造成滑阀运动迟缓或运动中断。其次含有固体颗粒的液压油类似于研磨金属加工面使用的研磨剂，当其通过泵，缸以及阀时，会加剧各摩擦副的磨损，产生出新的污染颗粒，会大大降低元件的使用寿命，严重威胁液压系统的正常工作。
    2．水污染
    一定量的水分进人液压油后，会使油液变成乳白色，使油的流动性变差，当水分含量超过自分之零点一时，油液就不具备正常的流动性了。水和油液中的硫或氯结合后，就会产生硫酸或盐酸，当油液中酸值达到一定程度时，就会腐蚀金属机件并产生绣片，形成固体颗粒污物，使整个液压系统不能正常工作。另外水本身也可缓慢氧化金属，从而降低了液压元件的使用寿命。
    3．空气污染
    液压油中进入空气后．由于气体的体积和压力成反比，所以随着负荷的变动，执行元件的运动将会受到影响；人口滤油器堵塞后、液压油的吸入阻力大大增加，可引起气蚀、振动和躁声；空气还能使元件氧化并能使液压油失去润滑性能；特别是在高温高压的环境条件下，空气极易造成液压油氧化变质，流动阻力增大．造成执行元件工作不正常，另外变质的液压袖还可以生成有害物质，会腐蚀金属机件。
    4．油脂
    在液压系统正常运行过程中，尽量不要更换油脂品种或牌号，当两种不同品种或牌号的液压油混合后，由于其化学成分不同，可能改变液压油的化学组成，使其件质发生改变。

二、液压油污染的途径
    油中混入的固体颗粒主要是由于油箱、管件在加工后残余物未清理干净，或在安装的未*酸洗除锈造成的。另外像灰尘这样的固体颗粒也可随空气混人油中。
    油中混人空气丰要是由于管接头、液压泵、控制元件、液压缸等密封不好或油箱中有气泡引起的。
    油中混入水分，其原因是湿区较高的空气(例如贵阳地区)出空气过滤器进人油箱或冷却水渗漏造成的。
    液压油品种或品牌的更换也会造成污染。
 
固安县载鑫滤清器厂重点产品各种品牌型号液压油滤芯，*服务于石油、电力、化工、冶金、医药、食品、机械、纺织等行业领域。